<template>
  <div id="App-contain">
    <!-- 顶部 -->
    <mt-header class="my-title" fixed title="刘山的vue项目">
      <mt-button  icon="back" slot="left" @click="goback" v-show="flag">返回</mt-button>
    </mt-header>
    <!-- 顶部 -->

    <!-- 中部容器 -->
    <transition >
      <router-view></router-view>
    </transition>
    <!-- 中部容器 -->

    <!-- 底部切换卡 -->
    <nav class="mui-bar mui-bar-tab">
			<router-link to="/home" class="mui-tab-item-me" href="#tabbar">
				<span class="mui-icon mui-icon-home"></span>
				<span class="mui-tab-label">首页</span>
			</router-link>
			<router-link to="/member" class="mui-tab-item-me" href="#tabbar-with-chat">
				<span class="mui-icon mui-icon-contact"></span>
				<span class="mui-tab-label">会员</span>
			</router-link>
			<router-link to="/shopping" class="mui-tab-item-me" href="#tabbar-with-contact">
        <span class="mui-icon mui-icon-extra mui-icon-extra-cart"><span class="mui-badge" id="badge">{{$store.getters.getAllCount}}</span></span>
				<span class="mui-tab-label">购物车</span>
			</router-link>
			<router-link to="/search" class="mui-tab-item-me" href="#tabbar-with-map">
				<span class="mui-icon mui-icon-search"></span>
				<span class="mui-tab-label">搜索</span>
			</router-link>
		</nav>
    <!-- 底部切换卡 -->
    
  </div>
</template>

<script>
// 按需导入mint-ui
import { Header } from 'mint-ui';
import { Button } from 'mint-ui';

export default {
  name:'App',
  data(){
    return{
      flag:false
    }
  },
  created(){
    this.flag = this.$route.path==="/home"?false:true
  },
  methods:{
    goback(){
      this.$router.go(-1);
    }
  },

  watch:{
    // 监听路由的改变
    "$route.path":function(newVal){
      if(newVal==="/home"){
        this.flag=false;
      }else{
        this.flag=true;
      }
    }
  }
}
</script>

  
  
  <style lang="scss" scoped>

    #App-contain{
      padding-top:40px; 
      padding-bottom: 50px;
      overflow-x: hidden;

    .my-title{
      z-index: 99;
    }
      
    /* 解决底部不能点击bug */
    .mui-bar-tab .mui-tab-item-me{
    display: table-cell;
    overflow: hidden;
    width: 1%;
    height: 50px;
    text-align: center;
    vertical-align: middle;
    white-space: nowrap;
    text-overflow: ellipsis;
    color: #929292;
    }

    .mui-bar-tab .mui-tab-item-me.mui-active {
      color: #007aff;
    }
    .mui-bar-tab .mui-tab-item-me .mui-icon {
    top: 3px;
    width: 24px;
    height: 24px;
    padding-top: 0;
    padding-bottom: 0;
  }
  .mui-bar-tab .mui-tab-item-me .mui-icon ~ .mui-tab-label {
    font-size: 11px;
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
  }
    }
   
    .v-enter{
      opacity: 0;
      transform: translateX(100%)
    }
    .v-leave-to{
      opacity: 0;
      transform: translateX(-100%);
      position:absolute;
    }

    .v-enter-active,
    .v-leave-active{
      transition: all 0.5s ease
    }

  </style>
  